Operating Instructions. ALC Models. Electronic Analytical Balances and Precision Scales

Transcription

1 Operating Instructions ALC Models Electronic Analytical Balances and Precision Scales

2 Practical Use Contents The Acculab ALC Series offers precision balances/scales with capacities ranging from 0.1 mg to 6 kg. These balances/scales meet the highest requirements on the accuracy and reliability of weighing results through the following features: Efficient filtering-out of unfavorable ambient conditions such as vibrations, drafts, etc. Stable and reproducible results Rugged, durable weighing system ALC balances and ALC scales save work and speed up simple routine applications through: Ultrafast response times Easy operation You can also choose from the following extra functions for simple applications: Toggling between weight units Net-total formulation (tare memory) Counting Weighing in percent Averaging 2 Practical Use 3 Warning and Safety Information 4 Getting Started Operating the Balance/Scale 8 Basic Weighing Function 9 Calibration/Adjustment Application Programs 10 Net-Total Formulation/Second Tare Memory 11 Counting 13 Weighing in Percent 15 Weigh Averaging 17 Toggle Between Weight Units Configuring the Balance/Scale 18 Setting the Parameters (Menu Codes) 19 Balance/Scale Operating Menu (Overview) 21 Data Interface 22 Error Codes 23 Care and Maintenance 24 Instructions for Recycling Overview 25 Specifications 29 Accessories (Options) 30 C Marking 2

3 Warning and Safety Information Read these operating instructions thoroughly before using your balance/scale to prevent damage to the equipment. Keep these instructions in a safe place. Follow the instructions below to ensure safe and troublefree operation of your balance/scale:! Make sure that the voltage rating printed on the AC adapter is identical to your local line voltage! Use only a commercially available 9-volt battery or rechargeable battery The only way to turn the power off completely is to disconnect the AC adapter Connect only Sartorius accessories and options, as these are optimally designed for use with your balance/scale. Protect the AC adapter from contact with liquid. Do not open the balance/scale housing. If the seal is broken, this will result in forfeiture of all claims under the manufacturer s warranty.! Do not use this balance/scale in a hazardous area/location 3

4 Getting Started Storage and Shipping Conditions Do not expose the balance/scale to shocks, vibration, moisture or extreme temperatures. Unpacking the Balance/Scale After unpacking the balance/scale, check it immediately for any visible damage as a result of rough handling during shipment. $ If you see any sign of damage, proceed as directed in the chapter entitled Care and Maintenance, under the section on Safety Inspection. Save the box and all parts of the packaging until you have successfully installed your balance/scale. Only the original packaging provides the best protection for shipment. Before packing your balance/scale, unplug all connected cables to prevent damage. Equipment Supplied The equipment supplied includes the components listed below: ALC-80.4, ALC-110.4, ALC-210.4, ALC Balance/scale Weighing pan Pan support Shield ring Shield plate AC adapter ALC-150.3, ALC Balance/scale Weighing pan Pan support Shield ring Shield plate AC adapter Glass cylinder ALC-810.2, ALC , ALC , ALC , ALC , ALC , ALC Balance/scale Weighing pan Pan support AC adapter Installation Instructions Your balance/scale is designed to provide reliable weighing results under normal ambient conditions. When choosing a location to set up your balance/scale, observe the following so that you will be able to work with added speed and accuracy: Set up the balance/scale on a stable, even surface Avoid placing the balance/scale in close proximity to a heater or otherwise exposing the balance/scale to heat or direct sunlight Protect the balance/scale from drafts that come from open windows or doors Avoid exposing the balance/scale to extreme vibrations during weighing Protect the balance/scale from aggressive chemical vapors Do not expose the balance/scale to extreme moisture over long periods Conditioning the Balance/Scale: Moisture in the air can condense on the surfaces of a cold balance/scale whenever it is brought into a substantially warmer place. If you transfer the balance/scale to a warmer area, make sure to condition it for about 2 hours at room temperature, leaving it unplugged from AC power. Information on Radio Frequency Interference Warning! This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause interference to radio communications. It has been tested and found to comply with the limits for a Class A computing device pursuant to Subpart J of Part 15 of FCC Rules, which are designed to provide reasonable protection against such interference, when operated in a commercial environment. Operation of this equipment in a residential area is likely to cause interference, in which case the user, at his own expense, will be required to take whatever measures may be required to correct the interference. 4

5 Setting up the Balance/Scale Balances/Scales with an Analytical Draft Shield Chamber: Place the components listed below inside the chamber in the order given: Shield plate Shield ring Pan support Weighing pan Balances/Scales with a Round Weighing Pan: Place the components listed below on the balance/scale in the order given: Pan support Weighing pan Place the components listed below on the balance/scale in the order given: Pan support Weighing pan 5

6 Connecting the Balance/Scale to AC Power/Safety Precautions Use only original Acculab AC adapters: for Europe: for the RSA: for the U.S.: for Australia: Insert the right-angle plug into the jack The AC adapter rated to Class 2 can be plugged into any wall outlet without requiring any additional safety precautions The ground is connected to the balance/scale housing, which can be additionally grounded for operation. Using a Non-Rechargeable/Rechargeable Battery (for models ALC-810.2, ALC , ALC and ALC ) $ A non-rechargeable or rechargeable battery is not included with the equipment supplied! Use only a commercially available non-rechargeable or rechargeable 9-volt battery! When using a rechargeable battery, always use an external charger to recharge the battery Lay the balance/scale on its side Open the battery compartment: Lift the compartment cover Insert the 9-volt (rechargeable) battery in the compartment $ Make sure to connect the positive and negative poles correctly! All used batteries are classified as waste that requires special handling (not household waste). Dispose of rechargeable batteries in accordance with the applicable special waste disposal regulations. Close the battery compartment: Press down on the cover until it clicks into place 6

7 Selecting the Line Voltage (Mains Voltage) Use the following original AC adapters for selecting the line voltage: AC adapter TNG8, order no (universal) or AC adapter TNG8, order no (for the U.K.) l Use the switch to toggle between 230 V and 115 V Leveling the Balance/Scale Level the balance/scale any time you set it up in a new location. Use only the 2 front feet of the balance/scale for leveling. Turn the 2 rear feet until they are in position Turn the 2 front feet as shown here in the illustration until the air bubble is centered in the level indicator > In most cases, this will require several adjustment steps Anti-theft Locking Device To protect against theft, use the mounting lug on the rear panel of the balance/scale. l Secure the balance/scale at the place of installation, for example with a chain or a lock 7

8 Operating the Balance/Scale Basic Weighing Function Available Features Taring the balance/scale You can tare the balance/scale within the entire weighing range. Preparation Turn on the balance/scale: Press [ON/OFF] To change configurations: See the chapter entitled Configuring the Balance/Scale To load factory-set configurations: See Configuring the Balance/Scale, parameter 9 1 $ To tare the balance/scale: Press [ZERO] Additional Functions To turn off the balance/scale: Press [ON/OFF] Example Basic weighing Menu code settings: Factory-set codes Step Key (or instruction) Display/Printout 1. Turn on the balance/scale [ON/OFF] Self-test is performed 2. Place container on balance/ g scale (here: 52 g) 3. Tare the balance/scale [ZERO] g 4. Place sample in container on g balance/scale (in this example, g) 8

9 Calibration/Adjustment* Always calibrate/adjust the balance/scale after setting it up in a new location. Available Features Calibration/adjustment can only be performed when there is no load on the balance/scale, the balance/scale is tared, the internal signal is stable. If these conditions are not met, an error message is displayed. The weight required for calibration/adjustment is displayed (see Accessories for calibration weights). On ALC balances, calibration/adjustment can be performed with any of three weight units: g, kg**, or lb (menu code x) Factory setting: Grams (menu code ) Example Calibrate the balance/scale Menu code settings: Factory-set codes Step Key (or instruction) Display/Printout 1. Turn on the balance/scale [ON/OFF] 2. Tare the balance/scale [ZERO] 0.0 g 3. Begin calibration [CAL] g Calibration weight is displayed without weight unit (here: 1000 g) 4. Place the indicated calibration g weight on the balance/scale After calibration, the calibration g weight is displayed with wt. unit 5. Remove the calibration weight 0.0 g * = Calibration technically means to determine the difference between the balance/scale readout and the actual weight on the pan to determine the accuracy. Adjustment means to bring a balance/scale into the state of accuracy required for its use. Therefore, calibration, as used in this manual, actually means adjustment. **= not on models with a readability of 0.1 mg or 1 mg 9

10 Application Programs Net-Total Formulation/Second Tare Memory With this application program you can weigh in components for formulation of a mixture. Preparation Configure the Net-Total Formulation/Second Tare Memory application in the operating menu: See Configuring the Balance/Scale Menu code Example Step Key (or instruction) Display/Printout 1. Turn on the balance/scale [ON/OFF] 2. Place an empty container on g the balance/scale 3. Tare the balance/scale [ZERO] 4. Add the first component + 120,5 g 5. Store the first component weight [F] 0.0 g NET If the print format is set to include data ID codes, the following is printed: N g 6. Add the next component + 70,5 g 7. Store the 2nd component weight [F] 0.0 g NET 8. Add further components, As described if desired for steps 5 and 6 9. Display total weight [CAL] <2 sec + 191,0 g and fill to desired final weight 10

11 Counting Purpose With the Counting program you can determine the number of parts that each have approximately equal weight. Available Features Store the current weight value to have it loaded as the preset reference sample quantity next time you initialize the Counting application The reference sample quantity can be changed in the operating menu: See Configuring the Balance/Scale The average piece weight is automatically output via the optional data interface port after initialization, if the menu code for Printout with data ID codes is set Press [F] to toggle the display between piece count and weight Factory Settings Reference sample quantity: 10 (menu code ) Preparation Configure the Counting application in the operating menu: See Configuring the Balance/Scale Menu code Counting Reference sample quantity: Menu code pcs Menu code pcs Menu code pcs Menu code pcs Menu code pcs See also Configuring the Balance/Scale 11

12 Example Determine an unknown piece count; weigh the preset reference sample quantity Settings (changes in the factory settings required for this example): Menu: Application program: Counting (menu code ) Reference sample quantity: 20 pcs (menu code ) Step Key (or instruction) Display/Printout 1. Turn on the balance/scale [ON/OFF] 2. Tare the balance/scale [ZERO] 0.0 g 3. Display the reference sample [F] >2 sec. ref 20 (briefly) quantity (here: 20 pcs) 4. Place the reference sample quantity g (20 pcs) on the balance/scale (here: 66 g) 5. Start the application; if the print format [F] + 20 pcs is set to include data ID codes, the following is printed: wref g 6. Weigh uncounted parts pcs (here: 174 pcs) 7. Display weight [F] g 8. Display quantity [F] pcs 9. Unload the balance/scale 0 pcs 10. Delete the reference value [CAL] > 2 sec. 11. Repeat the procedure starting from step 6, if desired. 12

13 Weighing in Percent Purpose This application program allows you to obtain weight readouts in percent which are in proportion to a reference weight. Available Features Store the current weight value to have it loaded as the preset reference percentage next time you initialize the Weighing in Percent application The reference percentage can be changed in the operating menu: See Configuring the Balance/Scale The reference percentage is automatically output via the optional data interface port after initialization, if the menu code for Printout with data ID codes is set Press [F] to toggle the display between percentage and weight Factory Settings Reference percentage: 10 (menu code ) Preparation Configure the Weighing in Percent application in the operating menu: See Configuring the Balance/Scale Menu code Weighing in percent Reference percentage: Menu code % Menu code % Menu code % Menu code % Menu code % See also Configuring the Balance/Scale 13

14 Example Determine an unknown percentage; store the weight on the balance/scale as a reference percentage Settings (changes in the factory settings required for this example): Menu: Application program: Weighing in percent (menu code ) Menu: Reference percentage 100 % (menu code ) Step Key (or instruction) Display/Printout 1. Turn on the balance/scale [ON/OFF] 2. Tare the balance/scale [ZERO] 0.0 g 13. Display the reference percentage [F] > 2 sec. ref Place the reference weight for 100% g on the balance/scale (here: g) 15. Start application; if the print [F] % format is set to include data ID codes, the following is printed: Wxx% g 16. Place an unknown weight % on the balance/scale (here: g) 17. Display weight [F] g 18. Display percentage [F] % 19. Unload the balance/scale 0.00 % 10. Delete the reference percentage [CAL] > 2 sec. 11. Repeat the procedure starting from step 6, if desired. 14

15 Weigh Averaging Purpose Use this program to determine weights under unstable ambient conditions. In this program, the balance/scale calculates the weight as the average value from a defined number of individual weighing operations. These weighing operations are also known as subweighing operations or subweighs. Available Features The measured result displayed is the arithmetic mean shown in the selected weight unit; a triangle indicates that this is a calculated value You can set the number of subweighing operations performed in the operating menu: See Configuring the Balance/Scale Press [F] for at least 2 sec. to display the preset number of subweighing operations Press [F] to toggle the display between the calculated result and the weight Factory Settings Number of subweighs for averaging: 10 ( ) Preparation Configure the Weigh Averaging application in the operating menu: See Configuring the Balance/Scale Menu code Averaging Number of subweighs for weigh averaging: subweighs subweighs subweighs subweighs subweighs See also Configuring the Balance/Scale 15

16 Example Determine the weight of a sample in extremely unstable ambient conditions by calculating the average of 10 subweighing operations. Settings (changes in the factory settings required for this example): Menu: Application program: Weigh Averaging (menu code ) Step Key (or instruction) Display/Printout 1. Turn on the balance/scale [ON/OFF] 2. Tare the balance/scale [ZERO] 0.0 g 3. Display the number of subweighs (here: 10) [F] >2 sec. ref 10 (briefly) 4. Place sample on the balance/ scale (weight readout fluctuates; here: about 275 g) 5. Start measurement [F] After 10 subweighs g G If the print format is set to include data ID codes, the following is printed: RES g 6. Unload the balance/scale g G (stable display) 7. Delete the result [CAL] > 2 sec. 8. Repeat the procedure starting from step 4, if desired. 16

17 Toggle Between Weight Units With this application program you can toggle the display of a weight value back and forth between two weight units. Configure the Toggle Weight Units application in the operating menu: See Configuring the Balance/Scale, menu code Toggle weight units (factory setting on ALC models) Menu code Unit Conversion factor Abbr. on printout o o Grams g ) ) Kilograms kg Carats ct Pounds lb Ounces oz Troy ounces ozt Hong Kong taels tlh Singapore taels tls Taiwanese taels tlt Grains GN Pennyweights dwt Milligrams mg Parts per pound /lb Chinese taels tlc Mommes mom Austrian carats K Tola tol Baht bat Mesghal MS lb/oz o o = Factory setting 1 ) = not for models with a readability of 1mg Function l To toggle the display between the 1st and 2nd weight units: Press the [F] key 17

18 Configuring the Balance/Scale Setting the Parameters (Menu Codes) You can configure your ALC balance to meet individual requirements by selecting from the parameters available in the menu. Example: Adapt the balance/scale to unstable ambient conditions: Menu code Step Key (or instruction) Display 1. Turn off the balance/scale [ON/OFF] 2. Turn the balance/scale back on; [ON/OFF] while all segments are displayed: [ZERO] briefly 1. $ To navigate within a menu [ZERO] 2. level; the last menu option is repeatedly... followed by the first option Select the 2nd menu level [PRINT] Select the 3rd menu level [PRINT] o 5. In Menu Level 3: [ZERO] Select the desired option repeatedly Confirm new setting; the o indicates the currently set [PRINT] option for 2 sec o $ Select the next menu level (here: change from the 3rd to the 1st level) [PRINT] 1. $ Set other menu codes, if desired [PRINT], [ZERO] 7. Store parameter settings [ZERO] and exit operating menu for 2 sec. or $ Exit operating menu without storing changes [ON/OFF] > Restart the application 0.0 g 18

19 ο Balance/Scale Operating Menu (Overview) Factory setting User setting Menu level 1 Menu level 2 Menu level 3 Factory setting Menu level 4 Menu 1. Balance/ 1.1. Adapt filter Minimum vibration scale functions ο Normal vibration Strong vibration Extreme vibration 1.3. Stability range /4 digit /2 digit digit ο 2 digits digits 1.4. Weight unit for ο Grams calibration weight Kilograms 1 ) Pounds 1.6. Auto zero ο On Off 1.7. Weight unit 1 See Toggle between Weight Units 2. Application 2.1. Program selection see the desired application program description programs 3. Application 3.1. Weight unit 2 see Toggle between Weight Units parameters 3.3. Reference qty or % see the desired application program description 5. Data Interface 5.2 Parity Mark Space o Odd Even 5.3 No. of stop bits o 1 stop bit stop bits 5.4 Handshake mode Software Hardware, 2 char. after CTS o Software, 1 char. after CTS 1 ) = not for models with a readability of 0.1 mg or 1 mg 19

20 Menu level 1 Menu level 2 Menu level 3 Factory setting Menu level 6. Print for 6.1 Manual/auto Manual without stability Weighing print mode o Manual at stability Automatic without stability Automatic at stability 7. Print with 7.1 Line format of Without data ID Codes applications Printout o With data ID Codes 8. Extra 8.1. Menu o Parameter settings functions can be changed Parameters read only 8.2. External switch function [CAL] key [ZERO] key o [PRINT] key [F] key [ZERO] key 8.3. Power-on mode Off/on (battery shuts off for balance/scale automatically after 3 min) o Stand-by/on 9. Reset menu 9. Factory settings 9. 1 Reset 9. 2 o Not reset 20

21 Data Interface Purpose Your balance/scale comes equipped with an interface port for connection to a computer or other peripheral device. You can use an on-line computer to change, start and/or monitor the functions of the balance/scale and the application programs. Female interface connector Pin Assignment Chart, 25-pin female interface connector, RS-232: Pin 1: Shield Pin 2: Data output (TxD) Pin 3: Data input (RxD) Pin 4: Internal ground (GND) Pin 5: Clear to Send (CTS) Pin 6: Not connected Pin 7: Internal ground (GND) Pin 8: Internal ground (GND) Pin 9: Not connected Pin 10: Not connected Pin 11: Charging voltage for rechargeable battery pack V (I _ out 25mA) For remote switch Pin 12: Reset _ Out *) Pin 13: +5 V output Pin 14: Internal ground (GND) Pin 15: Universal remote switch Pin 16: Not connected Pin 17: Not connected Pin 18: Not connected Pin 19: Not connected Pin 20: Data Terminal Ready (DTR) Pin 21: Internal ground (GND) Pin 22: Not connected Pin 23: Not connected Pin 24: Not connected Pin 25: +5 V output 14 1 Preparation You can set these parameters for other devices in the Setup menu (see the chapter entitled Configuring the Balance/Scale ). You will also find a detailed description of the available data interface commands in the file Data Interface Descriptions for ALC Models, which you can download from the Internet ( or The many and versatile properties of these balances/scales can be fully utilized for printing out records of the results when you connect your balance/scale to a Sartorius data printer. The recording capability for printouts makes it easy for you to work in compliance with ISO/GLP. *) = Hardware restart 21

22 Error Codes Error codes are shown on the main display for approx. 2 seconds, after which the program automatically returns to the weighing mode. Display Cause Solution No segments appear No AC power is available Check the AC power supply on the display The AC adapter is not plugged in Plug in the AC adapter Battery is dead Replace the battery Recharge the battery using an external charger h The load exceeds the balance/scale capacity Unload the balance/scale l The weighing pan is not in place Place the weighing pan on the balance/scale Something is touching Move the object that is the weighing pan touching the weighing pan e 01 Display capacity exceeded: Decrease the weight on the balance/scale Value to be output cannot be shown on the display e 02 Calibration parameter Calibrate only when zero requirement not met; e.g.: is displayed balance/scale not zeroed Press [ZERO] to zero the balance/scale balance/scale is loaded Unload the balance/scale e 09 When gross value < zero, no tare Tare the balance/scale e 10 The [ZERO] key is blocked when Press [CAL] to clear the tare memory and release there is data in the second tare the tare key memory (net-total) only 1 tare function can be used at a time e 11 Value input is not allowed for Press [ZERO] second tare memory e 22 Weight is too light or there is Increase the reference quantity no sample on the balance/scale or sample amount e 30 Interface port for printer output is blocked Contact your local Acculab Service Center Max. weighing capacity The balance/scale was Place the weighing pan on the is less than indicated turned on without the balance/scale and press [ON/OFF] to under Specifications weighing pan in place turn the balance/scale back on The weight readout The balance/scale has not Calibrate/adjust the balance/scale is obviously wrong been calibrated/adjusted The balance/scale was not Tare before weighing tared before weighing If any other errors occur, please contact your local Acculab Service Center. 22

23 Care and Maintenance Repairs Repair work must be performed by trained service technicians. Any attempt by untrained persons to perform repairs may lead to hazards for the user. Cleaning! Disconnect the balance/scale from the AC adapter and unplug any interface cables that are connected to the balance/scale! Make sure that no liquid enters the balance/scale housing! Do not use any aggressive cleaning agents (solvents or similar agents) Clean the balance/scale using a piece of cloth which has been wet with a mild detergent (soap) After cleaning, wipe down the balance/scale with a soft, dry cloth Removing and Cleaning the Weighing Pan: l Lift up and remove the weighing pan together with the pan support by gripping them from under the shield ring. Make sure that you do not damage the weighing system in doing so. Cleaning Stainless Steel Surfaces Clean all stainless steel parts regularly. Remove the stainless steel weighing pan/load plate and thoroughly clean it separately. Use a damp cloth or sponge to clean any stainless steel parts on the balance/scale. You can use any commercially available household cleaning agent that is suitable for use on stainless steel. Clean stainless steel surfaces by wiping them down. Then clean the weighing pan/load plate thoroughly, making sure to remove all residues. Use a damp cloth or sponge to wipe down any stainless steel parts on the balance/scale again. Afterwards, allow the balance/scale to dry. If desired, you can apply oil to the cleaned surfaces as additional protection.! Do not use stainless steel cleaning agents that contain soda lye (caustic), acetic acid, hydrochloric acid, sulfuric acid or citric acid. The use of scrubbing sponges made of steel wool is not permitted. Solvents are permitted for use only on stainless steel parts. 23

24 Safety Inspection If there is any indication that safe operation of the balance/scale with the AC adapter is no longer warranted: Turn off the power and disconnect the equipment from AC power immediately > Lock the equipment in a secure place to ensure that it cannot be used for the time being Safe operation of the balance/scale with the AC adapter is no longer ensured when: there is visible damage to the AC adapter the AC adapter no longer functions properly the AC adapter has been stored for a relatively long period under unfavorable conditions In this case, notify your nearest Acculab Service Center or the International Technical Support Unit based in Goettingen, Germany. Maintenance and repair work may only be performed by service technicians who are authorized by Acculab and who have access to the required maintenance manuals have attended the relevant service training courses Instructions for Recycling the Packaging To ensure adequate protection for safe shipment, your balance/scale has been packaged to the extent necessary using environmentally friendly materials. After successful installation of the balance/scale, you should return this packaging for recycling because it is a valuable source of secondary raw material. For information on recycling options, including recycling of old weighing equipment, contact your municipal waste disposal center or local recycling depot. 24

25 Overview Specifications Model ALC-80.4 ALC ALC Weighing capacity g Readability mg Tare range (subtractive) g Repeatability ±mg Linearity ±mg Operating temperature range C (50 to 86 F) Allowable ambient operating temperature C (41 to 104 F) Sensitivity drift within C ±/K Response time (average) s Adaptation to ambient conditions By selection of 1 of 4 optimized filter levels Display update (depends on the filter level selected) s External calibration weight g 100 (E2) 100 (E2) 200 (E2) (of at least accuracy class ) Net weight, approx. kg/lb 3.0/ / /6.6 Pan size mm 80 Ø 80 Ø 80 Ø inches 3.3 Ø 3.3 Ø 3.3 Ø Weighing chamber height mm inches Dimensions (W x D x H) mm 200 x 270 x300 AC power source/power requirements AC adapter, 230 V or 115 V, +15% 20% Frequency Hz Power requirements, direct current V 10 to 20 Power consumption (average) W

26 Model ALC ALC ALC Weighing capacity g Readability mg Tare range (subtractive) g Repeatability <±mg Linearity <±mg Operating temperature range C (50 to 86 F) Allowable ambient operating temperature C (41 to 104 F) Sensitivity drift within C ±/K Response time (average) s Adaptation to ambient conditions By selection of 1 of 4 optimized filter levels Display update (depends on the filter level selected) s External calibration weight g 100 (F1) 200 (F1) 200 (F1) (of at least accuracy class ) Net weight, approx. kg/lb 1.6/ / /4.9 Pan size mm 100 Ø 80 Ø 80 Ø inches 4 Ø 3.3 Ø 3.3 Ø Dimensions (W x D x H) mm 200x270x x270x x270x120 AC power source/ power requirements AC adapter, 230 V or 115 V, +15% 20% Frequency Hz Power requirements, direct current V 10 to 20 Power consumption (average) W

27 Model ALC ALC ALC ALC Weighing capacity g Readability g Tare range (subtractive) g Repeatability <±g Linearity <±g Operating temperature range C (50 to 86 F) Allowable ambient operating temperature C (41 to 104 F) Sensitivity drift within C <±/K Response time (average) s Adaptation to ambient conditions By selection of 1 of 4 optimized filter levels Display update (depends on the filter level selected) s External calibration weight g 1000 (F1) 1000 (F1) 2000 (F1) 2000 (F1) (of at least accuracy class ) Net weight, approx. kg/lb 1.4/ / / /4.9 Pan size mm 116 Ø 150 Ø 150 Ø 150 Ø inches 4.6 Ø 6 Ø 6 Ø 6 Ø Dimensions (W x D x H) mm 200x270x75 inches 7.9x10.6x3 AC power source/ power requirements AC adapter, 230 V or 115 V, +15% 20% Frequency Hz Power requirements, direct current V 10 to 20 Power consumption (average) W

28 Model ALC ALC ALC Weighing capacity g Readability g Tare range (subtractive) g Repeatability <±g Linearity <±g Operating temperature range C (50 to 86 F) Allowable ambient operating temperature C (41 to 104 F) Sensitivity drift within C <±/K Response time (average) s Adaptation to ambient conditions By selection of 1 of 4 optimized filter levels Display update (depends on the filter level selected) s External calibration weight g 1000 (F2) 2000 (F2) 5000 (F2) (of at least accuracy class ) Net weight, approx. kg/lb 1.4/3.0 Pan size mm 150 Ø 150 Ø 150 Ø inches 6 Ø 6 Ø 6 Ø Dimensions (W x D x H) mm 200 x 270 x 75 inches 7.9x10.6x3 AC power source/ power requirements AC adapter, 230 V or 115 V, +15% 20% Frequency Hz Power requirements, direct current V 10 to 20 Power consumption (average) W Hours of operation with 9-volt battery: Battery, approx. h Rechargeable battery when fully charged, approx. h

29 Accessories (Options) Product Order No. Interface cable for connecting a PC; 25-pin Calibration weights for ALC-80.4 (50 g, E2) YCW for ALC (100 g; E2) YCW for ALC (200 g; E2) YCW for ALC (100 g, E2) YCW for ALC (200 g; F1) YCW Product Order No. for ALC (200 g; F1) YCW for ALC (500 g, F1) YCW for ALC (1 kg; F1) YCW for ALC (2 kg; F1) YCW for ALC (2 kg; F1) YCW for ALC (1 kg; F2) YCW for ALC (2 kg; F2) YCW for ALC (5 kg; F2) YCW

30 C Marking The C marking affixed to the equipment indicates that the equipment meets the requirements of the following Directive(s) issued by the Council of the European Union: Directive 89/336/EEC Electromagnetic compatibility (EMC) Limitation of Emmissioins: According to Product Standard EN Cl.B (Residential environment) Defined immunity to interference: According to Peroduct Standard EN (Industrial environment) Important Note: The operator shall be responsible for any modifications to Acculab equipment and for any connections of cables or equipment not supplied by Acculab and must check and, if necessary, correct these modifications and connections. On request, Acculab will provide information on the minimum operating specifications (in accordance with the Standards listed above for defined immunity to interference). Council Directive 73/23/EU Electrical equipment designed for use within certain voltage limits Applicable European Standards: EN Safety of information technology equipment including electrical business equipment EN Safety requirements for electrical equipment for measurement, control and laboratory use Part 1: General requirements When you use electrical equipment in installations and under ambient conditions requiring higher safety standards, you must comply with the provisions as specified in the applicable regulations for installation in your country. 30

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32 ACCULAB EUROPE Weender Landstrasse Goettingen Germany ACCULAB ASIA-PACIFIC Unit , LU Plaza 2 Wing Yip Street, Kwon Tong Kowloon, Hong Kong Copyright by Acculab. All rights reserved. No part of this publication may be reprinted or translated in any form or by any means without the prior written permission of Acculab. The status of the information, specifications and illustrations in this manual is indicated by the date given below. Acculab reserves the right to make changes to the technology, features, specifications and design of the equipment without notice. Status: September 2005, Acculab Printed in Germany on paper that has been bleached without any use of chlorine W1A000 KT Publication No.: WAL6001-e05095